operator distance dialing话务员: telephone operator长途: long-distance话务员长途拨号制: operator toll dialing system话务员长途拨号方式: operator trunk dialing长途拨号助量话务员: toll dial assistance operator下载手机词典可随时随地查词查翻译关注微信公众号：chachacidian，回复:话务员长途拨号，即可在微信中查询翻译
